Peanut Seed Oil Composition for Reduced Oil Separation
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Solution Overview
Problem
Natural peanut butter is susceptible to oil separation, leading to lipid peroxidation, off-flavors, and textural issues, necessitating the use of stabilizers like hydrogenated vegetable oils, which increase cost and saturated fat content.
Innovation Solution
Modify the KASII gene in peanut plants to increase palmitic acid levels in seed oil, reducing oil separation and stabilizer reliance through CRISPR-Cas editing systems targeting specific nucleotide sequences in the KASII gene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If stabilizers like hydrogenated vegetable oils are added to natural peanut butter, then oil separation and textural issues are reduced, but cost and saturated fat content increase
Solution Approach 1:
The patent modifies the chemical composition parameters of peanut seed oil by increasing palmitic acid content through KASII gene editing. This changes the fatty acid profile to create a more stable oil that resists separation without requiring external stabilizers, thereby reducing saturated fat content while maintaining composition stability
Solution Approach 2:
The patent extracts and eliminates the need for stabilizers like hydrogenated vegetable oils from the peanut butter formulation. By genetically modifying the peanut oil itself to have enhanced stability, the invention removes the requirement for these additive stabilizers, thereby reducing cost and saturated fat content while maintaining oil separation resistance
2Reliability
If stabilizers are added to peanut butter, then shelf stability and homogeneity are improved, but manufacturing cost increases
Solution Approach 1:
The patent removes the need for expensive stabilizer additives from the manufacturing process. By genetically modifying peanut plants to produce oil with inherent shelf stability through increased palmitic acid content, the invention eliminates the cost of purchasing and processing stabilizers like hydrogenated cottonseed, canola, or palm oils
Solution Approach 2:
The patent enables the peanut oil to be self-stabilizing through genetic modification. The modified KASII gene causes the plant to naturally produce oil with improved shelf stability and homogeneity, eliminating the need for external stabilizer additives and reducing manufacturing complexity
3Quantity of substance
If natural peanut butter is produced without stabilizers, then cost and saturated fat content are reduced, but oil separation and lipid peroxidation occur
Solution Approach 1:
The patent changes the fatty acid composition parameters of peanut oil by increasing palmitic acid content through KASII gene editing. This parameter change enhances the oil's resistance to lipid peroxidation and oil separation while maintaining a lower saturated fat content compared to conventional stabilized peanut butters
Solution Approach 2:
The patent converts the natural instability of peanut oil (which causes oil separation and peroxidation) into a benefit by strategically increasing palmitic acid content. This modification creates a stable oil profile that prevents harmful lipid peroxidation and separation without requiring external stabilizers, thereby eliminating the harmful effects while maintaining natural composition
Data Source
AI summary
This invention is directed to peanut plants or parts thereof comprising at least one mutation in one or more β-ketoa-cyl-ACP synthetase II (KASII) genes encoding a KasII polypeptide and methods and compositions for making and using the same.